The ceiling hooks are suitable for hanging your crystal chandeliers, candle chandeliers, bar lights, lanterns, various DIY lighting accessories, etc. Great accessories for your home, store, garage, office, and indoor/indoor areas.SpecificationMaterial: Carbon SteelThread Size: M10Hook Inner Width: 14mm / 0.55-inch;Total Size: 41mmx23mm/ 1.61-inchx0.91-inch(H*W)Packing List: 3 x Ceiling Hooks with Several Installation AccessoriesAdvantageMade of carbon steel, good rust and corrosion resistance, lightweight and durable, and high load capacity matches most light fixtures hanging on it.InstructionIt is easy to install. First find the installation position, and then tighten the nuts to complete the installation.NotePlease measure the weight of the light fixture before use, the ceiling hook can only hold up to 8kg/17.6lbs.